Back of the ruler has a special black rubber surface which keeps the ruler from moving once it has been placed in position. Both metric and English markings. Ruler has straight edges. Comes in a round plastic storage case with red rubber cap. Constructed of aluminum with black markings. One Film and Fabric 36'' Straight Edge Ruler. This is a Film and Fabric 36'' Straight Edge Rubber-Backed Ruler from
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...more about the Fourmost Film/Fabric Straight Edge Ruler 36''
